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How can I specify the base for Math.log() in JavaScript?
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Adjust precision with selective rounding: (Math.round(Math.log(1000) / Math.LN10 * 1e6) / 1e6)
– Shane Daniel
Nov 21 '13 at 5:01
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Command line: piping find results to rm
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find /usr/www/bar/htdocs -mtime +15 -exec rm {} \;
Will select files in /usr/www/bar/htdocs older than 15 days and remove them.
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LINQ OrderBy versus ThenBy
...e,
o.InvoiceOwner.FirstName,
o.InvoiceID
select o;
If you call OrderBy multiple times, it will effectively reorder the sequence completely three times... so the final call will effectively be the dominant one. You can (in LINQ to Objects) write
foo.OrderBy(x).O...
How to 'bulk update' with Django?
...each essentially having the form of the first example above) + the initial SELECT-query.
If every row requires a unique value there is no way to avoid one query per update. Perhaps look into other architectures like CQRS/Event sourcing if you need performance in this latter case.
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What do the f and t commands do in Vim?
...h occurrence of a given letter 100% correct. With v you can see the visual selection, a nice visual cue.
– Bentley4
Nov 27 '13 at 19:00
2
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Difference between make and build in Android Studio
...the source files that have been modified since the last compilation in the selected module as well as in all the modules it depends on recursively.
Rebuild Project All the source files in the project are recompiled. This may be necessary when the classpath entries have changed, for example, SDK...
HTML/CSS: Make a div “invisible” to clicks?
... However, this means that the text can't be clicked (eg, to click links or select it). Would it be possible to simply make this div "invisible" to clicks and other mouse events?
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How can I remove the extension of a filename in a shell script?
...also known as separator) for cutting the string into segments and by -f we select which segment we want to have in output
Then the $() command substitution will get the output and return its value
The returned value will be assigned to the variable named name
Note that this gives the portion of th...
Disable button in jQuery
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Use .prop instead (and clean up your selector string):
function disable(i){
$("#rbutton_"+i).prop("disabled",true);
}
generated HTML:
<button id="rbutton_1" onclick="disable(1)">Click me</button>
<!-- wrap your onclick in quotes -->
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Use IntelliJ to generate class diagram
... and I want to view class diagram of my project, however I can not see the selection Diagrams/Show Diagram when I right click in a package or a class. Can anyone help me?
– Ectoras
Jan 13 '16 at 16:02
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